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문제 코드 public static void main(String[] args) throws Exception { int A = 0, B = 0; Scanner scan = new Scanner(System.in); A = scan.nextInt(); B = scan.nextInt(); System.out.println(A + B); } 출처 https://www.acmicpc.net/problem/1000

문제 코드 public class Main { public static void main(String[] args) throws Exception { System.out.print("Hello World!"); } } 출처 https://www.acmicpc.net/problem/2557